Leveraging multiple views of text for automatic question generation

K Mazidi, RD Nielsen - … in Education: 17th International Conference, AIED …, 2015 - Springer
Artificial Intelligence in Education: 17th International Conference, AIED 2015 …, 2015Springer
Automatic question generation can play a vital role in educational applications such as
intelligent tutoring systems. Prior work in question generation relies primarily on one view of
the sentence provided by a parser of a given type, such as phrase structure trees or
predicate argument structure. In contrast, we explore using multiple views from different
parsers to create a tree structure which represents items of interest for question generation.
This approach resulted in a 17% reduction in the error rate compared with our prior work …
Abstract
Automatic question generation can play a vital role in educational applications such as intelligent tutoring systems. Prior work in question generation relies primarily on one view of the sentence provided by a parser of a given type, such as phrase structure trees or predicate argument structure. In contrast, we explore using multiple views from different parsers to create a tree structure which represents items of interest for question generation. This approach resulted in a 17% reduction in the error rate compared with our prior work, which achieved a 44% reduction in the error rate compared to state-of-the-art question generation systems. Additionally, the work presented in this paper generates with greater question variety than our previous work, and creates 21% more semantically-oriented versus factoid questions.
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